<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <title></title>
 <script type="text/javascript">
  function demo(){
	alert('JavaScript demo.');
  }
</script>
</head>
<body>
<p onclick="demo();">点击我.</p>
</body>
</html>
